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Risk assessment is a tool to help drive informed decision making regarding the implementation of hazard-control measures. This paper examines the limitations of quantitative risk assessment. The paper explores factors that can lead to inaccurate or ineffective risk assessments, including faulty probability estimates, failure to adequately account for human factors, and failure to account for all possible...
Risk analysis has become recently an important activity in many industrial domains: mining, off-shore drilling, health services etc. For short, risk analysis studies the relationship between causes of an accident and the severity of its consequences. It comes as no surprise that Risk Management Information Systems (RMIS) for tracking and reporting the costs of preventing accidents and mitigating the...
In order to reduce the possibility of crew suffering from various injuries, quantitative marine individual risk model is adopted to improve the original Risk Matrix. Improved Risk Matrix quantizes the limit frequency and injurious consequences corresponding to the severity of the accident, thereby it reduces the ambiguity of Risk Matrix. Using the falling accident as example, this paper demonstrates...
Critical Asset Performance Standards (CAPS) are designed to meet operational safety and environmental protection requirements. CAPS define the key aspects of safety-critical elements (SCEs), including equipment, procedures, personnel, inspections and verifications necessary to preserve the integrity of the control measures that reduce the risk of a catastrophic major accident event (MAE). This paper...
Accidents related to biomedical equipment are usually reported to the safety committee in Lebanese Hospitals. The Lebanese standards do not mention a word about the expert involved in investigation and reporting of such accidents. This duty is still vague and sometimes included in the job description of the safety officer (usually a nurse), who is not necessary involved in the domain of biomedical...
This paper carries out coal mine safety risk identification from different ways and levels integrated with hierarchical holographic model (HHM), and realizes model construction through five aspects of coal mine disaster, personnel, equipment, environment and management. The paper proposes methods of risk filter and risk evaluation, accomplishes ranking of coal mine safety risk combining double standard...
According to the study on risk identification, risk estimation, risk assessment and risk control of monitoring-based deep excavation engineering, a set of feasible risk management system of deep excavation engineering is built up in this paper. The expert surveys method (including Delphi), fault tree analysis, checklist are used in identifying risk factors in deep excavation engineering. The risk...
Firstly, this article introduce foreign theoretical research of risk management in the subway tunnel project from four aspects that evaluation theory, management model, accident statistics, risk analysis. Secondly, the paper analyze foreign practice research of risk management in the subway tunnel project from four aspects that computer simulation, information platform, standards, government regulations...
The applicable CENELEC standards as well as the safety directive of the European parliament expect defining safety requirements for railway control functions and system constituents according to the global safety targets which are to be used for quantification of tolerable risk of the railway operation. This target is achieved by holistic modeling, risk definition and hazard analysis of all the influencing...
Procedure and method for the design and development of safety instrumented system (SIS) in process industries has been presented. A technique of the system hazard analysis and initial risk assessment used for safety instrumented function (SIF) determination and assignment has been introduced. Procedure and methods of safety integrity level (SIL) selection are investigated in detail. Plan and engineering...
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